In the image attached I'm making a map of the United States. Each state is its own shape. To each shape I've added a radial gradient. I would like to add that cardboard texture to the whole map, or even each individual state keeping it within the borders. In the image right now I've put the image of the cardboard on a layer and set it to overlay, but that only gives me the results in the photo.
Anyway if that's clear and you know what I'm talking about I'd appreciate any help.
Well, I'm a fan of keeping it simple. Might be worthwhile to just scan the cardboard and make an image in Photoshop then just overlay your design either in PS or in AI - restrict with a mask. Depends largely on what you plan to do with the finished product.